Customize PDF tab titles in Swift for iOS

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//
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//  Copyright © 2017-2026 PSPDFKit GmbH. All rights reserved.
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//
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//  The Nutrient sample applications are licensed with a modified BSD license.
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//  Please see License for details. This notice may not be removed from this file.
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//
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import PSPDFKit
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import PSPDFKitUI
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class CustomTabbedBarTitleExample: Example {
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    override init() {
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        super.init()
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        title = "Customize tab title for PSPDFTabbedViewController"
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        contentDescription = "Shows how to customize the tab titles for PSPDFTabbedViewController."
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        category = .viewCustomization
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        priority = 70
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    }
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    override func invoke(with delegate: ExampleRunnerDelegate) -> UIViewController {
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        let tabbedController = CustomTitleTabbedViewController()
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        tabbedController.documents = [AssetLoader.document(for: .welcome), AssetLoader.document(for: .annualReport)]
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        return tabbedController
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    }
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}
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class CustomTitleTabbedViewController: PDFTabbedViewController {
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    override func titleForDocument(at idx: UInt) -> String {
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        return String(format: "Custom Title for Document %lu", idx + 1)
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    }
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}